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Posted to notifications@accumulo.apache.org by "Eric Newton (JIRA)" <ji...@apache.org> on 2014/08/04 23:14:13 UTC
[jira] [Assigned] (ACCUMULO-3024) VFS classloader can randomly fail
[ https://issues.apache.org/jira/browse/ACCUMULO-3024?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eric Newton reassigned ACCUMULO-3024:
-------------------------------------
Assignee: Eric Newton
> VFS classloader can randomly fail
> ---------------------------------
>
> Key: ACCUMULO-3024
> URL: https://issues.apache.org/jira/browse/ACCUMULO-3024
> Project: Accumulo
> Issue Type: Bug
> Affects Versions: 1.5.0, 1.5.1, 1.6.0
> Reporter: Brian Loss
> Assignee: Eric Newton
> Fix For: 1.6.1, 1.7.0
>
>
> The fix for ACCUMULO-1321 appears to have broken the VFS classloader. The problem is that when a UniqueFileReplicator is cleaned up, it deletes the temp directory that is holding all of the files in the classpath.
> The situation we have seen is as follows:
> 1. Configuration includes a general VFS classpath and 2 context VFS classpaths.
> 2. At tserver startup, multiple VFS objects are created.
> 3. Finalize is called on one of them and that deletes the process-specific temp dir (which is shared by all of the objects).
> 4. I attempted to set a table.classpath.context on a table, and got errors from UniqueFileReplicator since it couldn't create a copy of the VFS files since its temp directory had already been cleaned up.
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